APA (7th ed.) Citation

Palaeontological Association & Bassett, M. G. (1976). The Ordovician system: Proceedings of a Palaeontological Association symposium, Birmingham, September 1974. University of Wales Press and the National Museum of Wales for the Palaeontological Association.

Chicago Style (17th ed.) Citation

Palaeontological Association and Michael G. Bassett. The Ordovician System: Proceedings of a Palaeontological Association Symposium, Birmingham, September 1974. Cardiff: University of Wales Press and the National Museum of Wales for the Palaeontological Association, 1976.

MLA (9th ed.) Citation

Palaeontological Association and Michael G. Bassett. The Ordovician System: Proceedings of a Palaeontological Association Symposium, Birmingham, September 1974. University of Wales Press and the National Museum of Wales for the Palaeontological Association, 1976.